The student of Ottoman Empire always keeps a watchful eye open for the rare, sometimes unique record which has somehow survived from the heyday of Ottoman historiography or archival treasuries and illuminates an aspect of history otherwise unknown to us. One such records concerns is the Book VI of Hašt Bihišt, written by Idrīs Bidlīsī (1457–1520), who is undoubtedly one of the most original and important intellectual figures in the Ottoman-Iranian borderland in the sixteenth-century. This paper deals with critical edition and translation of an unpublished tahniyat-nāma, given in Hašt Bihišt VI, which Bidlīsī dedicated to the first marriage of Mehmed II.